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PEN J Problems
7
J 7
J 7
Source:
May 25, 2007
Divisor Functions
Problem Statement
Show that if the equation
ϕ
(
x
)
=
n
\phi(x)=n
ϕ
(
x
)
=
n
has one solution, it always has a second solution,
n
n
n
being given and
x
x
x
being the unknown.
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